title: Malignant evolution of asymptomatic monoclonal IgM after seven and fifteen years in two siblings of a patient with Waldenström's macroglobulinemia.
mesh_terms: D000368:Aged; D000911:Antibodies, Monoclonal / Q000235:genetics; D005260:Female; D005500:Follow-Up Studies; D006801:Humans; D007075:Immunoglobulin M / Q000235:genetics*; D008297:Male; D008258:Waldenstrom Macroglobulinemia / Q000235:genetics* / Q000276:immunology
chemical_list: D000911:Antibodies, Monoclonal; D007075:Immunoglobulin M